header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  transition: all 0.3s linear;
  &.scrollStyle{
    background-color: #3b426b;
    box-shadow: 0px 8px 5px 0px rgba(245,245,245,0.15);
  }
  nav {
    width: 100%;
    height: 80px;
    position: relative;
    .logo-img {
      position: absolute;
      top: 50%;
      margin: -28.5px 0;
      margin-left: 87px;
      width: 57px;
      height: 57px;
    }
    .nav-bar {
      height: 100%;
      padding-inline-start: 0;
      display: flex;
      .nav-item {
        flex: 1;
        list-style: none;
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
        cursor: pointer;
        text-decoration: none;
        color: #fffffd;
        &.active {
          color: #ffffff;
          font-weight: bolder;
          &::after {
            content: "";
            position: absolute;
            bottom: 0;
            background-color: #ffffff;
            height: 2px;
            width: 50px;
            transform: translateY(-5px);
          }
        }
      }
    }
    button {
      width: 140px;
      height: 40px;
      position: absolute;
      right: 0;
      top: 50%;
      margin-top: -20px;
      color: #0f4c82;
      background: rgba(255, 255, 255, 1);
      box-shadow: 0px 2px 2px 0px rgba(34, 115, 223, 0.26);
      outline: none;
      border: none;
      &:focus {
        outline: none;
      }
    }
  }
}

main {
  #introduction {
    width: 100%;
    height: 59.26vh;
    background: url("../static/img/about/introBG.jpg");
    background-size: cover;
    background-repeat: no-repeat;
  }
  .introduction-text-brief {
    font-size: 36px;
    font-weight: bold;
    display: flex;
    padding-top: 14vh;
    padding-left: 13.5vw;
    margin-bottom: 2vh;
    color: #ffffff;
  }
  .introduction-text-time {
    font-size: 18px;

    display: flex;
    padding-top: 3vh;
    padding-left: 13.5vw;
    color: #ffffff;
  }
  #route {
    width: 100%;
    height: 51.49vh;
    position: relative;
    background: url("../static/img/about/route.png") center;
    background-size: contain;
    background-repeat: no-repeat;
    padding-left: 80px;

    .route-img {
      margin: 0 20.27%;
    }

    .text-container {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      .time {
        color: #3b426b;
        font-size: 18px;
        font-weight: bold;
      }
      .text {
        color: #3b426b;
        font-size: 16px;
      }
      .text-item1 {
        position: absolute;
        top: 10%;
        left: 24%;
        height: 13%;
        width: 22%;
        .time {
          text-align: left;
        }
        .text {
          text-align: left;
        }
      }
      .text-item2 {
        position: absolute;
        top: 30%;
        left: -3%;
        height: 13%;
        width: 22%;
        .time {
          text-align: right;
        }
        .text {
          text-align: right;
        }
      }
      .text-item3 {
        position: absolute;
        top: 51%;
        left: 31%;
        height: 13%;
        width: 24%;
        .time {
          text-align: left;
        }
        .text {
          text-align: left;
        }
      }
      .text-item4 {
        position: absolute;
        top: 12%;
        left: 60%;
        height: 13%;
        width: 24%;
        .time {
          text-align: left;
        }
        .text {
          text-align: left;
        }
      }
      .text-item5 {
        position: absolute;
        top: 48%;
        left: 81%;
        height: 13%;
        width: 24%;
        .time {
          text-align: left;
        }
        .text {
          text-align: left;
        }
      }
      .text-item6 {
        position: absolute;
        top: 85%;
        left: 81%;
        height: 13%;
        width: 24%;
        .text {
          text-align: left;
        }
      }
    }
  }

  #advantage {
    width: 100%;
    background: #f4f4f4;
    //height:50vh;
    margin-top: 7vh;
  }

  .advantage-our {
    display: flex;
    font-size: 48px;
    font-weight: bold;
    color: #3b426b;
    justify-content: center;
    padding-top: 6.5vh;
    padding-bottom: 6.5vh;
  }

  .advantage-our-model {
    display: flex;
    padding-bottom: 12vh;
    justify-content: center;
    //margin:0 17.8vw;
  }

  .rectangle {
    display: flex;
    list-style: none;
    width: 15.6vw;
    height: 24vh;
    background-color: #ffffff;
    margin: 0 10px;
    flex-direction: column;
    box-shadow: 2px 2px 1px rgba(59, 66, 107, 0.2);
  }

  .rectangle-system {
    font-size: 20px;
    font-weight: bold;
    color: #0f4c82;
    padding-top: 3.5vh;
    margin-left: 2vh;
    padding-left: 1.5vh;
    padding-bottom: 2vh;
    border-bottom: 1px solid #e9eaef;
    width: 13vw;
  }

  .rectangle-straight-line {
    display: flex;
    width: 10vh;
    height: 3px;
    background-color: #0f4c82;
    margin: 0 3.5vh;
    //justify-content:center;
  }

  .yellows {
    background-color: #ffba15;
  }

  .purples {
    background-color: #1516ff;
  }

  .greens {
    background-color: #46e3aa;
  }

  .rectangle-text {
    font-size: 16px;
    color: #0f4c82;
    padding-left: 3.5vh;
    padding-top: 3vh;
  }
}
#company {
  width: 100%;
  padding-bottom: 10vh;
}

.company-culture-vision {
  list-style: none;
  display: flex;
  justify-content: left;
  margin-left: 15vh;

  .company-culture-vision-phrase {
    font-size: 20px;
    font-weight: bold;
    color: #3b426b;
    width: 110px;
    line-height: 36px;
  }
  .company-culture-vision-sentence {
    font-size: 16px;
    color: #3b426b;
  }
}

footer {
  height: 55.56vh;
  background: #f4f4f4;
  .container {
    height: 100%;
    position: relative;
    .logo {
      width: 3vw;
      height: 3vw;
      margin-top: 2vh;
    }
    #footer-nav--wrapper {
      position: absolute;
      top: 2vh;
      right: 0;
      display: flex;
      ul {
        list-style: none;
        width: 10vw;
        .footer-nav--header {
          margin-bottom: 2vh;
          color: #3b426b;
          font: {
            size: 18px;
            weight: bold;
          }
        }
        .footer-nav--item {
          color: #3b426b;
          font-size: 14px;
          margin-bottom: 1vh;
          cursor: pointer;
        }
      }
    }
    #contact {
      position: absolute;
      bottom: 5.33%;
      left: 0;
      .title {
        padding-left: 40px;
        font-size: 18px;
        font-weight: 700;
        color: #3b426b;
      }
      .contact-wapper {
        list-style: none;
        .contact-item {
          margin-top: 15px;
          color: #3b426b;
          .icon-wrapper {
            width: 18px;
            box-sizing: border-box;
            margin-right: 3px;
          }
          a {
            color: inherit;
          }
        }
      }
    }
  }
}
